North Dakota is the only state that has never had an earthquake.
Ain't is actually a word in the dictionary.
Clown fish start off as males and turn into females.
Dolphins, primates and humans are the only species that recognize themselves in the mirror.
2nd st is the most common street name in the US. 1st st is the sixth.
Koala fingerprints are virtually indistinguishable from human fingerprints.